[填空题]臧克家的《老马》一诗选自诗集（）

[单选题]坚持严格要求同热情关心、纪律约 束同说服教育相结合，坚持以身作则、率先垂范，增强管理工作的( )，防止和纠正“冷暴力”以及“零距离疏、表面化知、 被动式爱、低层次带、偏见式看、庸俗式待、粗暴式压''等倾向。
A.科学性和有效性
B.科学性和持续性
C.有效性和持续性
D.持续性和严格性

[单选题]“两弹”的研制成功，加强了我国的国防力量，提高了中国的政治地位， 也打破了帝国主义的核垄断，对维护世界和平具有重要意义。被称为“两弹元勋” 的科学家是：
A.邓稼先
B.钱学森
C.袁隆平
D.吴阶平

[判断题]氧含量可能发生变化的作业中应保持必要的测定次数或连续监测,至少每2h监测一次。如监测分析结果有明显变化,则应加大监测频率。
A.正确
B.错误

[单选题]在曲线、隧道等瞭望或通信条件不良地段作业时，应增设（ ）。
A.施工负责人
B.中间防护员
C.段调度
D.联络员

[单选题]依据DL/T976-2017，绝缘安全帽交流耐压试验时，电压从低值开始上升，以大约（）V/s的速度逐渐升压至20kV，加压时间持续时间1min，以无闪络、无击穿、无过热为合格。
A.A-500
B.B-800
C.C-1000
D.D-2000

[多选题]下列药物中，可以抑制铁吸收的药物有
A.抑酸药物
B.四环素
C.消胆胺
D.碳酸氢钠
E.维生素C

[单项选择]Before the 20th century the horse provided day to day transportaition in the United States. Trains were used only for long distance transportation.
Today the car is the most popular (26) of transportation in all of the United States. It has completely (27) the horse as a means f everyday transportation. Americans use their car for (28) 90 percent of personal (29)
Most Americans are able to (30) cars. The average price of a (31) made car was 2, 050 in 1950, 2, 740 (32) 1975. During this period American car manufacturers set about (33) their products and work efficiency. As a result, the yearly income of the (34) family increased from 1950 to 1975 (35) than the price of cars. For this reason (36) a new car takes a smaller (37) of a family’s total earnings today.
In 1951 (38) it took 8 months of an average family’s (39) <
A. hardly
B. nearly
C. certainly
D. somehow